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531044075 = 5221241763
BaseRepresentation
bin11111101001110…
…001011011101011
31101000020211112002
4133221301123223
52041421402300
6124410041215
716105541312
oct3751613353
91330224462
10531044075
11252840301
12129a1920b
1386034383
1450757279
153194b5d5
hex1fa716eb

531044075 has 6 divisors (see below), whose sum is σ = 658494684. Its totient is φ = 424835240.

The previous prime is 531044071. The next prime is 531044093. The reversal of 531044075 is 570440135.

It is not a de Polignac number, because 531044075 - 22 = 531044071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531044071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10620857 + ... + 10620906.

It is an arithmetic number, because the mean of its divisors is an integer number (109749114).

Almost surely, 2531044075 is an apocalyptic number.

531044075 is a deficient number, since it is larger than the sum of its proper divisors (127450609).

531044075 is a wasteful number, since it uses less digits than its factorization.

531044075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21241773 (or 21241768 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 531044075 is about 23044.3935698035. The cubic root of 531044075 is about 809.7982909820.

The spelling of 531044075 in words is "five hundred thirty-one million, forty-four thousand, seventy-five".

Divisors: 1 5 25 21241763 106208815 531044075